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Algoteque
Freelance

Senior Full-Stack TypeScript Developer

Algoteque

📍 Location
Warszawa (Poland)
💼 Experience
More than 10 years

About us

ALGOTEQUE is an IT consultancy firm that helps startups, mid-sized and large corporations to create and deliver innovative technologies.

Our team has a successful track record in designing, developing, implementing, and integrating software solutions (AI, ML, BI, Web, Automation) for Telecom, Energy, Bank, Insurance, Pharma, Automotive, Industry, e-commerce. We deliver our services both in fixed-price and time-and-materials models, helping our customers achieve their business and IT strategies.

Job description

We are looking for a highly experienced Senior Full-Stack TypeScript Developer with a strong architectural background for a project for a manufacturing company. If you enjoy taking over existing solutions, bringing structure to them, and driving the code yourself, this role is for you, apply and let's talk!

Responsibilities:
- Auditing the existing system and assessing its technical state
- Designing the application architecture and setting the direction for its development
- Practical, hands-on work on the code – refactoring, rebuilding, and industrialising the solution
- Making technical decisions: what to keep, what to refactor, what to rebuild, and where the production risks lie
- Building a professional engineering process around AI-assisted development

Required qualifications

- Very strong TypeScript, ideally full-stack
- Very good Node.js / backend skills
- Experience with modern JS/TS frontend
- Very good SQL / PostgreSQL and database design skills
- Experience refactoring and taking over an existing codebase
- Ability to assess and design application architecture
- Experience with automated testing
- Knowledge of CI/CD, GitHub, and branching/release processes
- Experience with cloud, deployment, and infrastructure
- Knowledge of application security and authentication/authorization
- Experience integrating with external APIs
- Knowledge of monitoring, backup, and disaster recovery
- Very good English

Nice to Have:
- Experience with Stripe
- Experience with AI-assisted development (Claude Code / Cursor / Copilot)

Benefits

- B2B contract
- 100% remote work

Interested in this job?

Send your application below, our recruitment team will get back to you quickly.

Do you live in Poland?

Are you fluent in English?

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Freelance · Senior Full-Stack TypeScript Developer 📍Warszawa
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